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<span data-ogsb="white" class="x_ContentPasted0 ContentPasted0" style="font-size: 11pt; font-family: Arial; margin: 0px; background-color: white;">2<span><sup>nd</sup> </span>CALL FOR PARTICIPATION: </span></p>
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<span data-ogsb="white" class="x_ContentPasted0 ContentPasted0" style="font-size: 11pt; font-family: Arial; margin: 0px; background-color: white;">REACT 2023 Challenge: Multiple Appropriate Facial Reaction Generation in Dyadic Interactions (REACT2023)</span></p>
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<span data-ogsb="white" class="x_ContentPasted0 ContentPasted0" style="font-weight: 400; font-size: 11pt; font-family: Arial; margin: 0px; background-color: white;">The first “Multiple Appropriate Facial Reaction Generation in Dyadic Interactions” challenge
(REACT2023) to be held in conjunction with the ACM Multimedia (ACM-MM) 2023 in Ottawa, Canada, is calling for contributions in the form of papers and competition in the challenge. The competition will be using the NoXI, RECOLA, and UDIVA datasets which contain
audio-video clip data of participants engaged in dyadic interactions. The challenge consists of two main tasks:</span><br class="x_ContentPasted0 ContentPasted0">
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<span class="x_ContentPasted0 ContentPasted0" style="margin:0px;text-decoration:none">Task 1 - Offline Appropriate Facial Reaction Generation</span></p>
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<span class="x_ContentPasted0 ContentPasted0" style="margin:0px;text-decoration:none">Task 2 - Online Appropriate Facial Reaction Generation</span></p>
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<span data-ogsc="black" class="x_ContentPasted0 ContentPasted0" style="font-weight: 400; font-size: 11pt; font-family: Arial; margin: 0px; text-decoration: none; color: black;">Participants are invited to participate in one or both sub-challenges. For more
information about the challenge, check our website<span class="x_ContentPasted0 ContentPasted0" style="margin:0px"> </span><a href="https://sites.google.com/cam.ac.uk/react2023/home" target="_blank" rel="noopener noreferrer" data-auth="NotApplicable" title="https://sites.google.com/cam.ac.uk/react2023/home" data-safelink="true" data-ogsc="" data-linkindex="0" class="x_ContentPasted0 ContentPasted0" style="margin:0px">https://sites.google.com/cam.ac.uk/react2023/home</a></span><b data-ogsc="rgb(0, 0, 0)" style="font-family: inherit; font-size: 12pt; font-style: inherit; font-variant-ligatures: inherit; font-variant-caps: inherit; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);"><span data-ogsb="white" class="x_ContentPasted0 ContentPasted0" style="font-weight: 400; font-size: 11pt; font-family: Arial; background-color: white;">.
To register and access the challenge data, please fill the registration form you will find on the website and feel free to contact us by email: reactmultimodalchallenge@gmail.com. For each task, training and validation data will be made available to participants.
At the end of the competition, participants will be required to submit their trained models (in the form of working code) via the CodaLab platform. All submissions will be evaluated on a held-out test dataset to ensure a fair comparison. Participants will
also be encouraged to submit a conference-style paper describing their proposed approach for tackling the challenge task(s) as well as the results obtained. </span></b></p>
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<span data-ogsc="black" style="font-weight: 400; font-size: 11pt; font-family: Arial; margin: 0px; color: black;"><u class="x_ContentPasted0 ContentPasted0">Challenge timeline is as follows:</u></span></p>
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<span class="x_ContentPasted0 ContentPasted0" style="margin:0px;text-decoration:none">Registration opening: April 3, 2023 </span></p>
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<span class="x_ContentPasted0 ContentPasted0" style="margin:0px;text-decoration:none">Training and development sets available: April 10, 2023 </span></p>
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<span class="x_ContentPasted0 ContentPasted0" style="margin:0px;text-decoration:none">Baseline paper available: May 22, 2023</span></p>
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<span class="x_ContentPasted0 ContentPasted0" style="margin:0px;text-decoration:none">Test sets available: June 12, 2023 </span></p>
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<span class="x_ContentPasted0 ContentPasted0" style="margin:0px;text-decoration:none">Final results submission: June 30, 2023 </span></p>
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<span class="x_ContentPasted0 ContentPasted0" style="margin:0px;text-decoration:none">Paper submission deadline: July 14, 2023 </span></p>
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<span class="x_ContentPasted0 ContentPasted0" style="margin:0px;text-decoration:none">Notification of acceptance: July 21, 2023 </span></p>
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<span class="x_ContentPasted0 ContentPasted0" style="margin:0px;text-decoration:none">Camera ready paper: August 6, 2023 </span></p>
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<span class="x_ContentPasted0 ContentPasted0" style="margin:0px;text-decoration:none">Workshop: October 29, 2023 (TBD)</span></p>
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<span data-ogsc="black" style="font-weight: 400; font-size: 11pt; font-family: Arial; margin: 0px; color: black;"><u class="x_ContentPasted0 ContentPasted0">The Organisers</u></span></p>
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<span data-ogsc="black" class="x_ContentPasted0 ContentPasted0" style="font-weight: 400; font-size: 11pt; font-family: Arial; margin: 0px; text-decoration: none; color: black;">Dr Micol Spitale*, University of Cambridge, Cambridge, United Kingdom,</span><span data-ogsc="black" style="font-weight: 400; font-size: 11pt; font-family: Arial; margin: 0px; text-decoration: none; color: black;"><br class="x_ContentPasted0 ContentPasted0">
</span><span data-ogsc="black" class="x_ContentPasted0 ContentPasted0" style="font-weight: 400; font-size: 11pt; font-family: Arial; margin: 0px; text-decoration: none; color: black;">Dr Siyang Song*, University of Leicester & University of Cambridge, United
Kingdom</span><span data-ogsc="black" style="font-weight: 400; font-size: 11pt; font-family: Arial; margin: 0px; text-decoration: none; color: black;"><br class="x_ContentPasted0 ContentPasted0">
</span><span data-ogsc="black" class="x_ContentPasted0 ContentPasted0" style="font-weight: 400; font-size: 11pt; font-family: Arial; margin: 0px; text-decoration: none; color: black;">Cristina Palmero, Universitat de Barcelona, Barcelona, Spain</span><span data-ogsc="black" style="font-weight: 400; font-size: 11pt; font-family: Arial; margin: 0px; text-decoration: none; color: black;"><br class="x_ContentPasted0 ContentPasted0">
</span><span data-ogsc="black" class="x_ContentPasted0 ContentPasted0" style="font-weight: 400; font-size: 11pt; font-family: Arial; margin: 0px; text-decoration: none; color: black;">Prof Sergio Escalera, Universitat de Barcelona, Barcelona, Spain</span><span data-ogsc="black" style="font-weight: 400; font-size: 11pt; font-family: Arial; margin: 0px; text-decoration: none; color: black;"><br class="x_ContentPasted0 ContentPasted0">
</span><span data-ogsc="black" class="x_ContentPasted0 ContentPasted0" style="font-weight: 400; font-size: 11pt; font-family: Arial; margin: 0px; text-decoration: none; color: black;">Prof Michel Valstar, University of Nottingham, Nottingham, United Kingdom</span><span data-ogsc="black" style="font-weight: 400; font-size: 11pt; font-family: Arial; margin: 0px; text-decoration: none; color: black;"><br class="x_ContentPasted0 ContentPasted0">
</span><span data-ogsc="black" class="x_ContentPasted0 ContentPasted0" style="font-weight: 400; font-size: 11pt; font-family: Arial; margin: 0px; text-decoration: none; color: black;">Dr Tobias Baur, University of Augsburg, Augsburg, Germany</span><span data-ogsc="black" style="font-weight: 400; font-size: 11pt; font-family: Arial; margin: 0px; text-decoration: none; color: black;"><br class="x_ContentPasted0 ContentPasted0">
</span><span data-ogsc="black" class="x_ContentPasted0 ContentPasted0" style="font-weight: 400; font-size: 11pt; font-family: Arial; margin: 0px; text-decoration: none; color: black;">Dr Fabien Ringeval, Université Grenoble Alpes, Grenoble, France</span><span data-ogsc="black" style="font-weight: 400; font-size: 11pt; font-family: Arial; margin: 0px; text-decoration: none; color: black;"><br class="x_ContentPasted0 ContentPasted0">
</span><span data-ogsc="black" class="x_ContentPasted0 ContentPasted0" style="font-weight: 400; font-size: 11pt; font-family: Arial; margin: 0px; text-decoration: none; color: black;">Prof Elisabeth Andrè, University of Augsburg, Augsburg, Germany</span><span data-ogsc="black" style="font-weight: 400; font-size: 11pt; font-family: Arial; margin: 0px; text-decoration: none; color: black;"><br class="x_ContentPasted0 ContentPasted0">
</span><span data-ogsc="black" class="x_ContentPasted0 ContentPasted0" style="font-weight: 400; font-size: 11pt; font-family: Arial; margin: 0px; text-decoration: none; color: black;">Prof Hatice Gunes, University of Cambridge, Cambridge, United Kingdom</span></p>
<span data-ogsc="black" class="x_ContentPasted0 ContentPasted0" style="font-weight: 400; font-size: 11pt; font-family: Arial; margin: 0px; text-decoration: none; color: black;">Contact us via email:<span class="x_ContentPasted0 ContentPasted0" style="margin:0px"> </span></span><span data-ogsc="rgb(0, 102, 56)" class="x_ContentPasted0 ContentPasted0" style="font-weight: 400; font-size: 11pt; font-family: Arial; margin: 0px; text-decoration: underline; color: rgb(0, 102, 56);">reactmultimodalchallenge@gmail.com</span><span data-ogsc="rgb(33, 33, 33)" class="x_ContentPasted0 ContentPasted0" style="font-weight: 400; font-size: 11pt; font-family: Arial; margin: 0px; text-decoration: none; color: rgb(33, 33, 33);"> </span></b><br>
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